Heel-breast-flap-trimming machine



Nov. 29, 1932. N. H. KNOWLTON 1,889,249

HEEL BREAST FLAP TRIMMING MACHINE Filed Dec. 14, 1928 2 Sheets-Sheet 1 WW/aw. @MQ

Nov. 29, 1932. N. H. KNOWLTON HEEL BREAST FLAP TRIMMING MACHINE 2.,Sheets-Sheet 2 Filed Dec. 14, 1928 Patented Nov. 29, 1932 NQRWOOD n.KNOWLTON, 0E ROCKPORT, MASSACHUSETTS, ASsIcNon'To UNITED SHOE MACHINERYCORPORATION, OF PATERSON, NEW

' JERSEY JERSEY, A CORPORATION OF NEW HEEL-EEEAsT-ELAP-TEIMMINGMAOHI1\TE Application filed December 14, 1928. Serial No, 325.950.

This invention relates to trimming machines vand is illustrated asembodied in a machine for trimming heel-breast coverings.

In preparing a shoe sole to receive a wooden Louis heel, for example, itis customary to split the sole at its rear portion to form a flap forcovering the breast of the heel, which fiap is applied to the breast ofthe heel after a top lift has been attached to the heel and after theheelhas been attached to theshoe.

According to one method practiced in cov ering the breasts of woodenLouis heels, after heel-breast-covering flap has been coated with cementand adhesively secured to the breast of a heel, the end portion of theflap is trimmed by passing a hand knife laterally of the breast of theheel, the knife being guided in the seam between the top lift and theheel. Trimming a heel-breast-covering flap by using the seam between thetop lift and the heel as a gageline for determining the length to whichthe flap is to be trimmed is apt to result in a shortheel-breast-covering flap in the finished shoe since the flap, which issometimes in a tempered condition when trimmed, is liable to pull awayfrom the top lift as it dries, due to the shrinkage of the flap,- and toleave a portion of the breast of the heel adjacent to the top liftuncovered. Moreover, in the practice of I the abovementioned hand methodof trimming the ends of the heel-breast-covering flaps, difficulty issometimes experienced in accurately guiding the trimming by the seambetween the top lift and the top-lift-receiving face of the heel sincethe untrimmed flap generally extends beyond the breast corners and thetop lift of the heel and obscures the operators view of the heel. Sincethe trimming of the end of the flap is generally on a piece work basisthere is a tendency on the part of the operator to hurry, thusincreasing the likelihood that the end of the breast-covering flap afterit is trimmed will not follow the seam accurately, thereby detractingfrom the appearance of the finished shoe. a

An alternative method of covering the breasts of wooden Louisheels is totrim the end portion of the heel -breast-covering flap so that the endportion of the flap after being trimmed extends sufficiently beyond Itrimmed flap is to be substantially longer than the length of the heelbreast, it is impracticable to trim the end portion of the flap whilethe flap is against the heel breast due to the lack of any satisfactorysupport for the end portion of the flap against the pressure of thetrimming knife. I Consequent- 1y, it is the practice, after the flap hasbeen initially laid against the heel breast, to impress upon the fiapthe outline of the edge forming the junction between the heel breast andthe top-lift-receiving face of the heel, and then to strip the flap fromthe heel breast and lay its end portion upon a flat board for trimming,after which the flap is again ap plied to the'heel breast, the end ofthe flap being tucked under the top lift after raising the breastportion of the top lift slightly from the top-lift-receiving face of theheel. It will be evident that the hand process just outlined not onlyrequires skill but is neces sarily aslow one. v 7 In view of theforegoing, an object of the present invention is toprovide an effectiveand reliable machine for expeditiously trimming the end portion of aheel-breast-covering flap by the use of which such a flap may be sotrimmed that its end will be eithersubstanti-ally flush with thetop-lift-receivingv face of the heel or so that the flap will be longenough to be tucked in between'the face and the top liftwithoutencountering the above-stated disadvantages whichever way theflapis trimmed. With the above object in view and'in accordance with afeature of the invention, the

illustrated machinecomprises acutting blade and a work-positioningmember having a shearing edge both arranged to engage a margin of sheetmaterial projecting beyond an edge ofa heel to which the sheet materialis attached as the heelis moved past the cutting blade, and mechanismarranged to operate said blade to cause its cutting edge to engage theshearing edge and to move in a path substantially parallel to the edgeof the heel as it is moved past the blade, the work-positioning memberbeing arranged to brace the projecting margin against the cutting blade.

In accordance with another feature of the invention the illustratedmachine is provided with awork rest for receiving a shoe having a heelto which is secured a cover or a heel breast flap extending beyond anedge of the heel, and a rotary cutter, the Work rest and the cutterbeing mounted for relative movement and the work rest comprising amember which supports the [cover or flap and cooperates with thecutterin trimming a portionof the cover or flap extending beyond the edge ofthe heel uponthe relative movement of the work restand the cutter. Inorder to support the cover or flap against the action of the cutterduring the trimming operation, the illustrated machine is provided withamember which separates the heel and the portion of the cover adjacent toa top-lift-receiving faceof the heel, the cover passing between "therotary cutter and the member, which comprises a shear edge constructedand arranged to co-operate with the V cutter for trimming the cover asthe shoeis moved past the rotary cutter.

A further feature of the present lnvention consists in novel means forvarying the amount of cover or heel-breast-covering flap left extendingbeyond an edge of the heel after the trimming operation has beenperformed.

- For this purpose the illustrated machine is constructed and arrangedto provide for adjusting the heel rest relatively to the rotary cutterin a direction generally heightwise of the heel positioned upon therest. In order that the shearing member and the work rest may bepositioned relatively to the cutter so that the shearing member willefiiciently cooperate withthe cutter in trimming the cover and the covermay be accurately presented to and moved past the cutter, theillustrated work rest and shearing member are constructed and arrangedfor adjustment toward and away from the rotary cutter upon a-shoecarrier base and may be secured in different positions on the base.

In accordance with another feature of the invention, the illustratedmachine is provided with a flap guide which is normally fixed relativelyto the locus of the cutting edge of the rotary cutter and serves toretain the end portion of the heel-breast-covering flap ad acent to theshearing member so that the flap will feed'freely between the rotarycutter and the shearing member as the shoe is moved past the rotarycutter. e

,By use of the illustrated machine, the operator, is enabled accuratelyand quicklyto after substantially the entire heel-breast-covering flapis positioned on the breast of the heel, the end portion of the fiapbeing supported by the shearing member against the pressure of therotary cutter. When it is desired to have'the end of the flap flush withthe top-lift-receiving face of the heel, the flap is trimmed so that itextends slightly beyond the top-lift-receiving face of the heel in orderthat when the end portion of the tempered flap is laid on the breast ofthe heel it will not tend to draw away from the top lift as it dries.

WVhere 'it is unnecessary to allow for shrinkage of the coveringmaterial it may be convenient to fit the above machine so that it willtrim the end portion of the heel-breastcovering flap while the endportion of the flap rests against the breast of the heel.

The machine as so fitted is to be recognized as comprising a workrestfor a shoe having a heel and a heel-breast-covering flat extendingbeyond the top-lift-receiving face of the heel, and a cutter fortrimming the end portion of the heel-breast-covering flap as it entersthe seam formed between the top-liftattaching face of the heel and thetop lift, the work rest and the cutter being constructed and arrangedfor relative movement as the trimming progresses.

' In order to limit the depth of the trimming cut in the-covered heelbreast when the machine is fitted for operating upon the flap the endportion of which is resting against the breast of the heel, the machineis provided with a stop plate positioned adjacent to the cutter andarranged to contact with the outside surface of the flap upon the heelbreast when the cutter has penetrated the full thickness of the flap.

- While the illustrated machine is especially designed to trim the .endof a Louis heelbreast-covering flap which has been split from the soleof the shoe and the invention is set forth with particular reference tosuch use, it should be understood that various features of the inventionare not necessarily limited in their applicability to trimming suchflaps or to trimming coverings for Louis heels.

The invention will now be described with reference to the drawings whichillustrate preferred embodiment thereof, and pointed out in the claims.1

Fig. 1 is a front elevational view of the illustrated machine fortrimming the end portions of heel-breast-cover-flaps;

Fig.2 is a sectional view of the illustrated machine taken on line IIIIof Fig. 1;

Fig. 8: is aside elevational view of a por tion of the machine lookingfrom the right side of Fig. 1';

Fig. 4 is a plan view of the machine shown in Figs. 1 and 3;

Fig. 5 is a perspective view illustrating the relative positions of aheel to which a heel-breast'covering flap has been applied and trimminginstrumentalities during the trimming of the end of the flap;

Fig. 6 is an enlarged plan view showing the portion of the machineillustrated in Fig. 5 and a heel of a shoe presented thereto; and

Fig. 7 shows a perspective view of the above machine fitted for trimmingthe end portion of a heel-breast-covering flap which is supported uponthe heel breast against the pressure of a cutter during the trimmingoperation.

The illustrated machine for trimming the end portion of a cover orheel-breast covering flap for a Louis heel while the end portion of theflap is held away from the heel comprises a work rest 10 for engagingthe heel 12 of a shoe 14 having a cover or heel-breastcovering flap 16(Figs. 5 and 6) extending beyond the top-lift-receiving face 18 of theheel, a rotary cutter 20 and a shearing member 22 which co-operates withthe rotary cutter 20 in trimming the heel-breast-covering flap 16 and isarranged to hold the heel 12 and a portion of the flap adjacent to thetop-lift-receiving face 18 of the heel in separated positions. the workrest 10 being mounted for movement past the rotary cutter 20substantially in the plane of the portion of the cover being trimmed toperform the trimming operation. 8

The operative parts of the above machine are supported by a standard 24having a head 26, which is constructed and arranged to serve as a.bearing for a shaft 28 having a pulley 30 mounted for rotation therewithat one end and the rotary cutter 20 secured to the other end. Power forrotating the cutter 20 may be supplied by any suitable means such as amotor 32 (Fig. 1) mounted upon the standard 24 and connected to thepulley by a belt 34.

The mechanism upon which the shoe is supported to present itsheel-breastcovering flap 16 accurately to the rotarycutter 20 includes arod 36 guided for rectilinear movement in lugs 38, 40 extendingforwardly of the standard 24, a shoe carrier base 42 secured to the topof the rod 36 by a pin 44 (Fig. 1) and the work rest 10 carried upon theshoe carrier. base 42 through elements which will now be described. V

Clamped to the rear portion of the shoe carrier base 42 through athreaded bolt 46 (Figs. 1 and 3) is an upright bracket 48 having a slot50 (Fig. 1) for receiving the bolt 46 and arranged for sliding movementrelatively to the shoe carrier base 42toward and away from the rotarycutter 20 in a groove 52 (Fig. 3) in the rear face of the shoe carrierbase 42. The upright bracket 48 is pro,- vided at the top of its outsideend 54 with a rearwardly extending arm 56 having a flange portion 58(Fig. 4) for receiving a set-screw 60, the purpose of which will appearlater.

In order to support the work rest 10 so that it may be moved relativelyto theup right bracket 48 lengthwise of the shaft 28 for adjusting thework rest relatively to the cutter to vary the position lengthwise ofthe flap at which the cutter operates upon the flap, the work rest 10 isscrewed at 62 (Fig. 4) to the end of a stud 64 which is square in crosssectionand extends through an opening in the upright bracket 48 in whichthe stud 64 is arranged to fit slidingly. The rear portion of the stud64 4) has a head66 and engaging the front face 68 of the head 66 of thestud and the rear face 70 of the upright bracket 48 is a spring 72encircling the stud 64 and tending to urge the stud 64 and the work rest10 rearwardly of the machine until the head 66 of the stud comes intocontact with the set-screw 60 through which the work rest 10 may beinitially adjusted relatively to the rotary cutter 20 lengthwise of theaxis of the rotary cutter.

In order that the heel which is supported by the work rest 10 and theportionof the heel-breast-covering flap 16 adjacent to thetop-lift-receiving face 18 of the heel may be held in separatedpositions to support the flap for trimming the end portion thereof sothat after the operation it will extend beyond the top-lift-attachingface in order that it may be compressed upon the heel breast flush withthe top-lift-receiving face or may be tucked under the top lift, themachine is provided with the shearing member 22 having a shear edge 71arranged to co-operate with the rotary cutter 20 during the trimmingoperation to make the severing cut, the shearing member being secured tothe inn-er end of the upright bracket 48 by screws 74 (Figs. 4and 5) andextending in front of a face 7 5 (Fig. 7) of the heel support 10.

The forward portion of the shoe is steadied upon .the machine by placinga portion of the sole 76 (Fig. 4) of the shoe against a rest 78 which isclamped to a forwardly extending arm 80 of the shoe carrier base 42 by awing nut 84. g

The work rest 10 having a shoe positioned thereon as illustrated inFigs. 1, 4 and 5 and supported upon the rod 36 is moved past the rotarycutter 20 by pressing upon the shoe carrier base 42 by hand thusdepressing the rod 36 against a spring 86 which encircles the rod 36between the lug 40 and a collar 88 mounted upon the rod 36, the collar88 be ing provided with a set-screw 90 for adjustwably securing thecollar:88 along the rod 36 for varying the pressure of the spring 86 tocause the work support to assume its proper initial raised position whenthe machine is idle, For preventing the shoe carrier base 42 fromturning relatively to the standard 24 and hence relatively to the rotarycutter 20 the collar has a fiat rear face 92 (Fig. 2) arranged forsliding movement upon the front face 94 of the standard. Keyed to therod 36 above the collar 88 is another collar 96 having a pad 98 ofresilient material on its upper face, the collar 96 serving to limit theupward movement of the rod 36 in the lugs 88, 40 and the resilientmaterial acting as a buffer be tween the collar 96 and the lug 38 toprevent excessive vibration as the upward movement of the rod 36 issuddenly stopped. When the shoe has been moved past therotary cutter 20to have its heel-breast-covering flap 16 trimmed it is removed from themachine and the work rest then assumes its raised position under theaction of the spring 86.

In order to retain the heel-breast-covering flap 16 adjacent to the face100 of the shearing member 22 during the trimming operation, the machineis provided with a flap guide 102 adjustably secured to a plate 106(Fig. 4) mounted upon the head 26, which flap guide 102 may be initiallymoved toward and away from the shearing member 22 by means of the screws104 arranged to move in slots 108 (Fig. 1) in the flap guide 102. Theflap guide 102 which has a flange portion 110 for assisting in startingthe flap between the shearing member 22 and the flap guide 102, extendssubstantially lengthwise of the shaft and is fixed relatively tothe'locus of the cutting edge of the cutter except when it is be ingadjusted as above described, The plate 106 also serves as a support fora guard 112 for protecting the operator fromaccidentally coming intocontact with the rotary cutter as the work is moved past the cutter.

In View of the foregoing description it is clear that the work rest 10may be initially adjusted relatively to the shearing member 22 and therotary cutter 20 lengthwise of the axis of rotation of the shaft 28 bymanipulation of the set-screw 60 for varying. the length of theheel-breast-covering flap 16. This feature is especially useful where itis desired to trim an extra long flap for turning the same upon thetop-lift-receiving face of the heel or where it is desired to trim atempered flap so that before it is applied to the 'heel it extendsbeyond the top-lift-receiving face of the heel and must be compressedupon the heel breast adjacent to the top-lift-receiving face of theheel,in order that when it dries it will not be liable to pull away fromthe top lift of the heel. The work rest 10 may be also moved toward andaway from the rotary cutter 20in a direction generally in the plane ofthe rotary cutter for adjusting the work rest relatively to said cutterpreparatory to the trimming operation by unscrewing the threaded bolt 46and sliding the upright bracket 48 relatively to the shoe carrier base42 (Fig.

Where it is desired, for example, to use the machine for trimming theend of each of the h-eel-breast-covering flaps to lie flush with thetop-lift-receiving face 18 of the heel while the end portion of the flapis supported upon t 1e breast of the heel, the shearing member 22 may beremoved from the upright bracket 4. by loosening the screws '4" 4 (Fig.5) and a stop plate 1 16 supported for adjustment in a recess 118 in theguard 112 is then added to the machine. lVhen operating upon the endportion of a heel-breast-covering flap supported upon the breast of theheel it is customary first to trim the sides of the flap flush with thebreast corners of the heel as illustrated in if 7. In order to limit thecutting depth of the rotary cutter 20 when the machine is thus fittedfor trimming heelbree t-covering flaps the stop plate 116 is positionedin front of the rotary cutter 20, the end 120 of the stop plate beingarranged for engaging the breast of the heel to limit the depth to whichthe cutter may penetrate the covered heel breast. The work rest isusually positioned relatively to the cutter 20 by the at screw 60 sothat when the heel is posi- 'oned upon the work rest 10, as shown in thecutter will trim the flap adjacent seam formed between the top lift 122and the top-lift-receiving face 18 of the heel, the cutter 20 entering tie seam as it cuts through the flap.

- In. performing the heel-breast-covering flap trimming opera ti-on theshoe is presented to the machine by engaging the heel of the shoeagainst the work support 10 so that the breast ef the top lift of theheel is in contact with the face 124 of the shearing member 22, the shoebeing. steadied in the machine by pressure of the sole Y6 ofthe shoeagainst the rest T When the shoe is correctly positioned in the machinethe rod 36 is manually depressed so as to move the shoe past the rotaicutter 20, the heel-breast-covering flap 16 being positioned between theshearing member and the rotary cutter 20 as the trimming operation takesplace. After the flap has been trimmed the operator removes the shoefrom the machine and t 1e shoe supporting instrumentalities assume theiroriginal. raised position under the pressure of the ring 86 forreceiving another shoe.

hen the hcel-breastrovering flap is immed while supporting it upon theheel breast against the pressure of the cutter, the heel of the shoe ispositioned upon the work support 10 (Fig. 7) with its breastsubstantially flush with the face 75 of the work sup port, the shoebeing steadied and then moved past the cutter as above described.

Having thus described my invention, what I claim as new and desire'tosecure by Letters Patent of the United States is:

1. A trimming machine having, in combination, a cutter and a work restmounted for relative movement, said work rest being constructed" andarranged to support in fixed relation therewith a substantial portion ofa cover attached to a heel and extending beyond an edge of the heel andto cooperate with the cutter in progressively trimming a portion of, thecover extending beyond said edge upon relative progressive movement ofthe rest and the cutter.

2. A machine for trimming heel-breastcovering flaps having, incombination, a work rest fora shoe having a heel and aheelbreast-covering flap extending beyond the top-lift-receiving face ofthe heel, a cutter for trimming the end portion of theheelbreast-covering flap, said work rest and cutter being arranged forrelative movement as the trimming progresses, and a member co-operatingwith the cutter and arranged to hold the heel and the portion of. theflap adjacent to the top-lift-receiving' face of the heel in separatedpositions and to support the flap against the pressure of the cutter.

3. A machine for trimming heel-breastcovering flaps having, incombination, a work rest for a shoe having a heel and aheelbreast-covering flap extending beyond the top-lift-receiving face ofthe heel, a cutter for trimming the end portion of theheelbreast-covering flap, said work rest and cutter being arranged forrelative movement as the trimming progresses, and a member cooperatingwith the cutter and arranged to hold the heel and the portion of theflap adjacent to the top-liftreceiving face of the heel in separatedpositions.

4. A trimming machine having, in combination, a cutter, and a work restmounted for movement past the cutter, said'work rest being constructedand arranged to support in fixed relation therewith a cover attached toa heel and extending beyond an edge of the heel as the work rest'ismoved past the cutter and arranged to co-operate with the cutter intrimming a portion of the cover extending beyond said edge upon movementof the same past the cutter.

5. A machine for'trimming heel-breastcovering flaps having, incombination, a work restfor a shoe having a heel and aheelbreast-covering flap extending beyond the top-lift-receiving face ofthe heel, a cutter for trimming the end portion of theheelbreast-covering flap, said work rest and cutter'being arranged forrelative movement as the trimming progresses, and a shearing memberco-operatingwith the cutter and against which the flap is supportedagainst the pressure of the cutter, said shearing memher beingconstructed and arranged to' hold the heel and the portion of theflapadjacent to the top-lift-receiving face of the heel in separatedpositions.

6. A machine for trimming heel-breastcovering flaps having, incombination, a work rest for a shoe having a heel and aheelbreast-covering 'flap extending beyond the top-lift-receiving faceof the heel, a cutter for trimming the end portion of theheelbreast-covering flap, said work rest and cutter being arranged forrelative movement as the trimming progresses, and a shearing memberco-operating with the cutter and arranged to hold the heel and theportion of the flap adjacent to the top-lift-receiving face of the heelin separated positions. I 7. A trimming machine having, in combination,a cutter, and a work rest mounted for movement past the cutter, saidwork rest being constructed and arranged to support in fixed relationtherewith a'cover attached to a heel and extending beyond an edge of theheel as the work rest is moved past the cutter, said work rest having ashearing edge arranged to cooperate with the cutter progressively totrim a portion of the cover extending beyond said edge upon movement ofthe work rest past the cutter.

8. A trimming machine having, in combination, a work rest for receivinga shoe having a heel to which is secured a cover extending beyond asurface of the heel, a cutter, said work rest'and said cutter beingmounted for relative movement and said work rest comprising a memberagainst which the cover is supported and having an edge constructed andarranged to co-operate with the cutter to trim a portion of the coverextending beyond said surface upon relative movement of the work restand the cutter, and means for effecting relative adjustment of the workrest and the cutter prior to the trimming operation to vary the amountof cover left extending beyond the surface of the heel after thecompletion of the trimming operation.

9. A trimming machine having, in combination, a work rest for a shoehaving a heel to which is secured a cover extending beyond a surface ofthe heel, a cutter, said work rest and said cutter being mounted forrelative movement, a shearmember supported by the work rest forsupporting the cover and cooperating with the cutter for trimming an endportion of the cover extending beyond said surfacev as relative movementis effected between the work rest and the cutter, and means foradjusting the work rest toward and away from the cutter for initiallypositioning the work rest relatively to the cutter to bring aboutproperco-operation of the cutter and.

the shearing member during the trimming operation. 7

10. A trimming machine having, in combination, a work rest for receivinga shoe having a heel to which is secured a cover extending beyond asurface of the heel, a cutter, said lit work rest and said cutter beingmounted for relative movement and said rest comprising a member againstwhich the cover is supported and having an edge constructed and arrangedto co-operate with the cutter to trim a portion of the cover extendingbeyond said surface upon relative movement of the work rest and thecutter, means for effecting relative adjustment of the work rest and thecutter prior to the trimming operation to vary the amount of cover leftextending beyond the surface of the heel after the completion of thetrimming operation, and means for adjusting the work rest toward andaway from the cutter for initially positioning the work rest relativelyto the cutter to bring about proper co-operation of the cutter and theshearing member during the trimming operation. V

11. A trimming machine having, in combination, a cutter, a work restmovable relatively to the cutter and constructed and arranged to receivea shoe having a heel to which issecured a heel-breast-covering flapextending beyond the top lift receiving face of the heel, a membercarriedby the work rest for supporting the breast flap and forco-operating with the cutter to trim an end portion of the flap as thework rest is moved past the cutter.

12; A machine for trimming heel-breastcovering flaps having, incombination, a work rest for a shoe having a Louis heel and aheel-breast-covering flap extending beyond the top-lift-receiving faceof the heel, a cut ter for trimming the end portion of theheelbreast-covering flap, said work rest and cutter being arranged forrelative movement, as the trimming progresses, a shearing memberco-operating with the cutter for severing the end portion of theheel-breast-covering flap and constructed and arranged to hold the heeland the portion of the heel-breast-cov ering flap adjacent to thetop-lift-receiving face of the heelin separated positions, and a flapguide for retaining the end portion of the heeleb r eastcovering flapadjacent to the shearing member. a

13.'A machine for trimming heel-breastcovering flaps having, incombination, a work rest for a shoe having a Louis heel and aheelbreast-covering flap extending beyond the top-lift-receiving face ofthe heel, a cutter for trimming the end portion of theheelbreast-covering flap, said work rest and cutter being arranged forrelative movement as the trimming progresses, a shearing memberco-operating with the cutter for severing the end portion of theheel-breast-covering flap and constructed and arranged to h old the heeland the portion of the heel-breast-covering flap adjacent to the'top-lift-receiving face of the heel in separated positions, and meansfor adjusting the work rest relatively to the cutterto vary the lengthof the flap.

14,-. A machine for trimming heel-breastcovering flaps having, incombination, a work rest for a shoe having a Louis heel and aheel-breast-covering flap extending beyond the top-lift-receiving faceof the heel, a cutter for trimming the end portion of theheelbreast-covering flap, said work restand cutter being arranged forrelative movement as the trimming progresses, a shearing memberco-operating with the cutter for severing the end portion of theheel-breast-covering flap and constructed and arranged to hold the heeland the portion of the heel-breast-covering flap adjacent to thetop-lift-receiving face of the heel in separated positions, and meansfor'a-djusting the work rest toward and away from the cutter forinitially posi tioning the work rest relatively to the cutterpreparatory to the trimming operation.

15. A machine for trimming heel-breastcovering flaps having, incombination, a work rest for a shoe having a Louis heel and aheelbreast-covering flap extending beyond the top-lift-receiving face ofthe heel, a cutter for trimming the end portion of the heel-breastcovering flap, said work rest and cutter being arranged for relativemovement as the trimming progresses, a shearing member co-operating withthe cutter for severing the end portion of the heel-breast-covering flapand constructed and arranged to hold the heel and the portion of theheel-breast-covering flap adjacent to the t0p-lift-receiving face of theheel in separated positions, means for adjusting the work restrelatively to the cutter to vary the length of the flap, and means foradjusting the work rest toward and away from the cutter for initiallypositioning the work rest relatively to the cutter preparatory to thetrimming operation. j

16. A machine for trimming heel-breastcovering flaps having, incombination, a work rest for a shoe having a Louis heel and aheelbreast-covering flap extending beyond the top-lift-re'ceiving faceof the heel, a cutter for trimming the end portion of theheelbreast-covering flap, said work rest being arranged for movementpast the cutter as the trimming progresses, a shearing membercooperating with the cutter for severing the heel-breast-covering flapand constructed and arranged to hold the heel and the portion of theheel'-breast-covering flap adjacent to the top-lift-attaching face ofthe heel. in separated positions, and means for adjusting the work restrelatively to the cutter to vary the length of the flap.

17. A machine for trimming heel-breastcovering flaps having, incombination, a work rest for a shoe having a Louis heel and aheelbreast-covering flap extending beyond the top-lift-receiving face ofthe heel, a cutter for trimming the endportion of theheelbreast-covering flap, said work rest being arranged for rectilinearmovement past the cutter as the trimming progresses, and a shearingmember co-operating with the cutter for severing theheel-breast-covering flap and constructed and arranged to hold the heeland the portion of the flap adjacent to the top-lift-receiving face ofthe heel in separated positions.

18. A machine for trimming heel-breastcovering flaps having, incombination, a work rest for a shoe having a Louis heel and aheelbreast-covering flap extending beyond the top-lift-receiving face ofthe heel, a rotary cutter for trimming the end portion of theheel-breast-covering flap, said work rest being arranged for movementpast the rotary cutter as the trimming progresses, and a shearing memberco-operating with the rotary cutter for severing the end portion of theheelbreast-coveringflap and constructed and arranged to hold the heeland the por tion of the flap adjacent to the top-lift-receiving face ofthe heel in separated positions.

19. A machine for trimming heel-breastcovering flaps having, incombination, a work rest for a shoe having a Louis heel and aheelbreast-co-vering flap extending beyond the top-liftreceiving face ofthe heel, a rotary cutter for trimming the end portion of theheel-breast covering flap, said work rest being arranged for movementpast the rotary cutter as the trimming progresses, and a shearing memberco-operating with said rotary cutter and arranged to hold the heel and aportion of the flap adjacent to thetop-liftreceiving face of the heel inseparated positions and to support the flap against the pressure of thecutter.

20. A machine for trimming heel-breastcovering flaps having, incombination, a work rest for a shoe having 21. Louis heel. and aheel-breast-covering flap extending beyond the top-lift-receiving faceof the heel, a rotary cutter for trimming the end portion of the flap,said Work rest being arranged for movement past the rotary cutter as thetrimming progresses, and a shearing member co-operating with the rotarycutter and against which the flap is supported against the pressure ofthe cutter.

21. A machine for trimming heel-breastcovering flaps having, incombination, a work rest for a shoe having a Louis heel and ahcel-breast-covering flap extending beyond the top-lift-receiving faceof the heel, a rotary cutter for trimming the end of theheelbreast-covering flap, said work rest and rotary cutter beingarranged for relative movement as the trimming progresses, a shearingmember co-operating with the rotary cutter to sever the end portion ofthe heeLbreastcovering flap and constructed and arranged to hold theheel and the portion of the heelbreast-covering flap adjacent to thetop-liftreceiving face of the heel in separated posttions, means foradjustingthe .vvork rest relatively to the rotary cutter in a directiongenerally lengthwise of the axis of the rotary cutter to vary the lengthof the flap, and means for moving the work rest toward and away from therotary cutter in a direction generally in the plane of the rotary cutterfor adjusting the Work rest relatively to the rotary cutter preparatoryto the trimming operation.

22-. A machine for trimming heel-breastcovering flaps having, incombination, a work rest for a shoe having a Louis heel and aheel-breast-covering flap extending beyond the top-lift-receiving faceof the heel, a rotary cutter for trimming the end portion of theheel-breast-covering flap, said work rest and rotary cutter beingarranged for relative movement as the trimming progresses, a shearingmember co-operating with the rotary cutter for severing the end portionof the heel-breast-covering flap and constructed and arranged forholding the heel and the portion of the heel-breast-covering flapadjacent to the top-lift-receiving face of the heel in separatedpositions, and means for moving the work rest and the rotary cutterrelatively to each other in a direction generally lengthwise of tie axisof the rotary cutter to vary the length of the flap.

23. A machine for trimming heel-breastcovering flaps having, incombination, a Work rest for a shoe having a Louis heel and aheel-breast-covering flap extending beyond the top-lift-receiving faceof the heel, a rotary cutter for trimming the end portion of theheel-breast-covering flap, said work rest and rotary cutter beingarranged for relative movement as the trimming progresses, a shearingmember co-operating with the rotary cutter for severing the end portionof the heel-'breast-covering flap and constructed and arranged forholding the heel and the portion of the h-eeLbreast-covering flapadjacent to the top-lift-receiving face of the heel .in separatedpositions, and means for moving the work rest and the rotary cutterrelatively to each other in a direction generally in the planeofrotation of the rotary cutter.

24. A machine for trimming heel-breastcovering flaps having, incombination, a work rest for a shoe having a Louis heel and aheelbreast-covering flap extending beyond the top-lift-receiving face ofthe heel, a rotary cutter for trimming the end portion of theheel-breast-covering flap, said work rest androtarycutterbeingarrangedforrelativemovement as the trimming progresses,and a shearing member adjustable relatively to the work rest butnormally fixed to the work rest and 00- operating with the rotary cutterand against which the flap is supported against he pressure of thecutter.

'25. A machine for trimming heel-breastcovering flaps having, incombination, a work rest for a shoe having a Louis heel and aheelbreast-covering flap extending beyond the top-lift-receiving face ofthe heel, a rotary cutter for trimming the end portion of theheel-breast-covering flap, said Work rest and rotary cutter beingarranged for relative movement as the trimming progresses, and ashearing member adjustable relatively to the Work rest but normallyfixed to the Work rest and co-operating with the rotary cutter to severthe end portion of the heelbreast-cov ering flap and also being arrangedto hold the heel and the portion of the heel-breastcovcring flapadjacent to the top-lift-receiving face of the heel in separatedpositions.

26. A machine for trimming heel-breastcovering flaps having, incombination, a Work rest for a shoe having a Louis heel and aheel-breast-covering flap extending beyond the top-liftereceiving faceof the heel, arotary cutter for trimming the end portion of theheel-breast-covering flap, said Work rest and rotary cutter beingarranged for relative movement as the trimming progresses, a shearingmember adjustable relatively to the Work rest but normally fixed to theWork rest and co-operating with the cutter to sever the end portion ofthe heel-breast-covering flap, said shearing member being constructedand arranged to hold the heel and the portion of theheel-breast-covering flap adjacent to the top-lift-receiving face of theheel in separated positions, and a flap guide adjust able toward andaway from the shearing member for retaining the end portion of theheel-breast-covering flap adjacent to the shearing member.

27. A machine for trimming heel-breastcovering flaps having, incombination, a Work rest for a shoe having a Louis heel and aheelbreast-covering flap extending beyond the top-lift-receiving face ofthe heel, a rotary cutter for trimming the end portion of theheel-breast-covering flap, said Work rest and rotary cutter beingarranged for relative movement as the trimming progresses, a shearingmember co-operatin With the rotary cutter to sever the end portion ofthe heel-breast-covering flap and arranged for holding the heel and theportion of the heelbreast-covering flap adjacent to thetop-liftreceiving face in separated positions, and a flap guide fixedrelatively to the locus of the cutting edge of the rotary knife forretaining the end portion of the heel-breast-covering flap adjacent tothe shearing member.

28. A machine for trimming heel-breastcovering flaps having, incombination, a Work r for a shoe having a Louis heel and aheelbreast-covering flap extending beyond the top-lift-receiving face ofthe heel, a rotary cutter for trimming the end portion of the'seel-breasbcoveringflap, said Work rest and rotary cutter beingarranged for relative movement as the trimming progresses, a

shearing member adjustable relatively to the Work rest but normallyfixed to the Work rest and co-operating with the rotary cutter forsevering the end portion of the heel-breastcovering flap, said shearingmember being constructed and arranged for holding the heel and theportion of the heel-breast-covering flap adjacent to thetop-lift-receiving face of the heel in separated positions, and a flapguide fixed relatively to the locus of the cutting edge of the rotarycutter for retaining the end portion of the heel-breast-covering flapadjacent to the shearing member.

29. A machine for trimming heel-breastcovering flaps having, incombination, a Work rest for a shoe having a Louis heel and aheel-breast-cov-ering flap extending beyond the top-lift-receiving faceof the heel, a rotary cutter for trimming the end portion of theheel-breast-covering flap, said Work rest and rotary cutter beingarranged for relative movement as the trimming progresses, a shearingmember adjustable relatively to the Work rest but normally fixed to theWork rest and co-operating with the rotary cutter for severing the endportion of the heel-breast-covering flap, said shearing member beingconstructed and arranged for bolding the heel and the portion of theheelbreast-covering flap adjacent to the top-liftreceiving face of theheel in separated positions, means for adjusting the Work restrelatively to the rotary cutter to vary the length of the flap, and aflap guide fixed relatively to the locus of the cutting edge of therotary cutter for retaining the end portion of the heel-breast-coveringflap adjacent to the shearing member.

30. A machine for trimming heel-breastcovering flaps having, incombination, a

Work rest for a shoe having a Louis heel and a heel-breast-c0vering flapextending beyond the top-lift-receiving face of the heel, a rotarycutter for trimming the end portion of a heel-breast-covering flap, saidWork rest and rotary cutter being arranged for relative movement as thetrimming progresses, a member co-operating with the rotary cutter andconstructed and arranged for holding the heel and the portion of theheel-breast-covering flap adjacent to the top-lift-receiving face of theheel in separated positions, and a flap guide fixed With res ect to thelocus of the cutting edge of the rotary cutter for retaining the endportion of the flap adjacent to the member.

31. A machine for trimming heelbreastcovering flaps having, incombination, a Work rest for a shoe having a Louis heel and aheelbreast-covering flap extending beyond the top-lift-receiving face ofthe heel, a rotary cutter for trimming the end portion of theheel-breast-covering flap, said Work rest and rotary cutter beingarranged for relative movement as the trimming progresses, a rest forengaging a forwardportion of the shoe to facilitate the positioning ofthe shoe upon the work rest, a shearing member co-operating with thesaid rotary cutter for severing the heel-breast-covering flap andarranged for holding the heel and the portion of theheel-breast-covering flap adjacent to the toplift-receiving face of theheel in separated positions, and a flap guide fixed with respect to thelocus of the cutting edge of the rotary cutter for retaining the endportion of the flap adjacent to the shearing member.

32. A machine for trimming heel-breastcovering flaps having, incombination, a work rest for a shoe having a Louis heel and aheel-breast-covering flap extending beyond the top-lift-receiving faceof the heel, a

rotary cutter for trimming the end portion of the heel-breast-coveringflap, said work rest and rotary cutter being arranged for relativemovement as the trimmingpro-gresses, a rest for engaging a forwardportion of the shoe to facilitate the positioning of the shoe upon thework rest, a shearing member cooperating with said rotary cutter forsevering the heel-breast-covering flap and constructed and arranged forholding the heel and the portion of the heel-breast-covering flap adjacent to the top-lift-receiving face of the heel in separated positions,a flap guide stationary relatively to the locus of the cutting edge ofthe rotary cutter for retaining the end portion of theheel-breast-covering flap adjacent to the shearing member, means foradjusting the work rest relatively to the cutter to vary the length ofthe heel-breast-covering flap, and means for adjusting the work resttoward and away from the cutter for initially positioning the work restrelatively to the cutter preparatory to the trimming operation.

33. A machine for trimming heel-breastcovering flaps having, incombination, a work rest for a shoe having a Louis heel and aheelbreast-covering flap extending beyond the top-lift-receiving face ofthe heel, a rotary cutterfor trimming the end portion of theheel-breast-covering flap, said work rest and rotary cutter beingarranged for relative movement as the trimming progresses, a rest forengaging a forward portion of the shoe to facilitate the positioning ofthe shoe upon the work rest, a shearing member co-operating with saidrotary cutter for severing the end portion of the heel-breast-covermgfla and constructed and arranged for holding the heel and the portion ofthe heel-breast-covering flap adjacent to the top-lift-receiving face ofthe heel in separated positions, a flap guide stationary relatively tothe locus of the cutting edge of the knife for retaining the end portionof the heel-breast-covering flap adjacent to the shearing member, meansfor adj usting the work rest relatively to the cutter to vary thelengthof the flap, and means for adjusting the work rest toward and awayfrom the cutter for initially positioning, the work rest relatively tothe cutter preparatory to the trimming operation.

34. A trimming machine having, in combination, a work rest for a shoehaving a heel to which is attached a cover extending beyond a face ofthe heel, and a cutter for trimming a portion of the cover extendingbeyond the heel, said work rest and cutter being mounted for relativemovement substantially in the plane of the cover being trimmed toperform the trimming operation.

A trimming machine having, in combination, a rotary cutter, and a workrest constructed and arranged to receive a shoe having a heel to whichis secured a cover extending beyond the face of the heel, said work restbeing mounted for movement past the cutter and constructed and arrangedto cooperate with the cutter to trim a portion of the cover whichextends beyond said face of the heel.

'36. A trimming machine having,in combination, a work rest for a shoehaving a heel and to which is attached a cover extending beyond an edgeof the heel, a cutter for trimming a portion of the cover extendingbeyond the heel, said work rest and cutter being mounted for relativemovement to perform substantially in the plane of the cover beingtrimmed, the trimming operation, and a flap guide for retaining theextending portion of the cover adjacent to the work rest.

37. A trimming machine having, in combination, a work rest for a shoehaving a heel to whichis secured a cover extending beyond an edge of aheel, a cutter for trimming a portion of the cover extending beyond saidedge of the heel, said 'workrest and cutterbeing arranged for relative,movement to perform the trimming operation, and means for initiallyadjusting the work rest relatively to the cutter constructed andarranged to vary the amount of cover left extending beyond the edge ofthe heel after the relative movement of the cutter and the shoe upon thework rest.

88. A trimming machine having, in com bination, a work rest for a shoehaving a heel to which is secured a cover extending beyond an edge ofthe heel, a cutter for trimming a portion of the cover extending beyondsaid edge of the heel, said work rest being arranged for movement pastthe cutter to perform the trimming operation, and means for initiallyadjusting the work rest relatively .to the cutter constructed andarranged to vary the amount of cover left extending beyond said edge ofthe heel after the'heel positioned upon the work rest has been movedpast the cutter.

39. A trimming machine having, in combination, a work rest fora shoehaving a heel towhich is secured a cover extending beyond an edge of theheel, a cutter fortrimming a portion of the cover extending beyond saidedge of the heel, said work rest and cutter being arranged for relativemovement as the trimming progresses, means for initially adjusting thework rest relatively to the cutter constructed and arranged to vary theamount of cover left extending beyond the edge of the heel after therelative movement of the cutter and the shoe upon the rest, and meansfor adjusting the work rest toward and away from the cutter forinitially positioning the work rest relatively to the cutter preparatoryto the trimming operation. r

40. A machine for trimming heel-breastcovering flaps having, incombination, a work rest fora shoe having a heel and aheel-breast-covering flap extending beyond the top-lift-receiving faceof the heel, and a cutter for trimming the end portion of theheel-breast-covering flap, said work rest being arranged for rectilinearmovement past the cutter as the trimming progresses.

41. A machine for trimming heel-breastcovering flaps having, incombination, a work rest for a shoe having a Louis heel and aheel-breast-covering flap extending beyond the top-lift-receiving faceof the heel, a rotary cutter for trimming the end of theheel-breast-covering flap, said work rest and rotary cutter beingarranged for relative movement as the trimming progresses, and means foradjusting the work rest relatively to the rotary cutter in a directiongenerally lengthwise of the axis of the rotary cutter to vary theposition lengthwise of the fiap at which the rotary cutter operates uponthe flap.

42. A machine for trimming heel-breastcovering flaps having, incombination, a work rest for a shoe having a Louis heel and aheel-breast-covering flap extending beyond the top-lift-receiving faceof the heel, a rotary cutter for trimming the end of theheelbreast-covering flap, said work rest and rotary cutter beingarranged for relative movement as the trimming progresses, and means formoving the work rest toward and away from the rotary cutter in adirection generally in the plane of the rotary cutter initially toposition the work rest. relatively to the cutter preparatory to thetrimming operation. i

43. A machine for trimming heel-breastcovering flaps having, incombination, a work rest for a shoe having a Louis heel and aheel-breast-covering flap extending beyond the top-lift-receiving faceof the heel, a rotary cutter for trimming the end of theheelbreast-covering flap, said work rest and rotary cutter beingarranged for relative movement as the trimming progresses, means forad]ust1ng the work rest relatively to the rotary cutter in a directiongenerally lengthwise of the rotary cutter to vary the positionlengthwise of the flap at which the rotary cutter operates upon theflap, and means for moving the work rest toward and away from the rotarycutter in a direction generally in the plane of the rotary cutterinitially to position the work restrelatively to the cutter preparatoryto the trimming operation.

14. A machine for trimming heel-breastcovering flaps having, incombination, a work rest for a shoe having a Louis heel and aheelbreast-covering flap extending beyond the top-1ift-receiving face ofthe heel, a rotary cutter for trimming the end of theheelbreast-covering flap, said work rest and rotary cutter beingarranged for relative movement as the trimming progresses, and a restfor engaging a forward part of the shoe to facilitate the positioning ofthe shoe upon the work rest.

45. A machine for trimming heeLbreastcovering flaps having, incombination, a work rest for a shoe having a heel and aheel-breastcovering flap extending beyond the top-liftreceiving face ofthe heel, a cutter for triming the end portion of theheel-breast-covering flap which is supported upon the heel breastagainst the pressure of the cutter, said work rest and cutter beingarranged for relative movement as the trimming progresses, and means forlimiting the depth to which the cutter may penetrate the covered heelbreast.

46. A machine for trimming heel-breastcovering flaps having, incombination, a work rest for a shoe having a heel and aheel-breastcovering flap extending beyond the top-liftreceiving face ofthe heel, a cutter for trimming the end portion of theheel-breast-covering flap which is supported upon the heel against thepressure of the cutter, said work rest and cutter being arranged forrelative movement as the trimming progresses, and a stop platepositioned adjacent to the cutter and arranged to contact with theoutside face of the flap upon the heel breast for limiting the depth towhich the cutter may penetrate the covered heel breast.

47. A trimming machine having, in combination, a movable work rest for ashoe having a heel to which is secured a cover extending beyond an edgeof the heel, and a cutter for trimming an end portion of the cover,which is supported upon the heel breast against the pressure of thecutter, as the shoe mounted upon the rest is moved past the cutter.

48. A'trimming machine having, in combination, a movable work rest for ashoe having a heel to which is secured a cover extending beyond an edgeof the heel, and a cutter for trimming a portion of the cover extendingbeyond said edge, said work rest comprising spaced shoe engagingportions ar-- ranged to position the shoe upon the Work rest While theshoe is moved past the cutter to perform the trimming operation.

49. A machine for trimming heel-breastcovering flaps having, incombination, a work rest for a shoe having a heel and aheelbreast-covering flap extending beyond the top-lift-receivmg face ofthe heel, and a cutter for trimming the end portion of the flap, saidwork rest comprising a sole engaging portion and a heel engaging portionagainst which the sole and the heel respectively are rested as the shoeis moved past the cutter to carry out the trimming operation.

50. A machine for trimming heel-breastcovering flaps having, incombination, a work rest for a shoe having a heel and aheelbreast-covering flap extending beyond the top-1ift-receiving face ofthe heel, a cutter for trimming the end portion of the flap, said Workrest comprising shoe engaging portions arranged to facilitate theguiding of the shoe past the cutter for carrying out the trimmingoperation, and a stop plate arranged adjacent to the cutter to limit thedepth of the cut as the shoe is moved past the cutter.

51. A machine for trimming heel-breastcovering flaps having, incombination, a work rest for a shoe having a heel and aheelbreast-covering flap extending beyond the top-lift-receiving face ofthe heel, a cutter to trim the end portion of the flap, said work restincluding a sole engaging portion and a heel engaging portion againstwhich the sole and the heel respectively are rested as the shoe is movedpast the cutter to carry out the trimming operation, and means to limitthe depth of the cut.

52. A trimming machine having, in com bination, a rotary cutter, and awork rest comprising spaced shoe-engaging portions constructed andarranged to receive a shoe having a heel to which is secured a coverextending beyond a face of the heel, said work rest being mounted formovement past the cutter to co-operate with the same in trimming saidcover.

53. A trimming machine comprising a cutting blade and a work-positioningmember having a shearing edge both arranged to engage a margin of sheetmaterial projecting beyond an edge of a heel to which the sheet materialis attached as the heel is moved past the cutting blade, and meansarranged to operate said blade to cause its cutting edge to engage saidshearing edge and to move in a path substantially parallel to said edgeof the heel as it is moved past the blade, said workpositioning memberbeing arranged to brace said projecting margin against said cuttingblade.

54. A trimming machine having, in combination, a rest having a shearingedge and constructed and arranged to engage a heel having a coversecured to one of its faces and extending beyond said face, and a cutterhaving a movable cutting edge past which said heel supported by the restis moved, said cutter being constructed and arranged to cause thecutting portion of its cutting edge to move substantially along the pathof move- 7 ment of the heel past the cutter and to cooperate with theshearing edge progressively to trim the cover extending beyond saidface.

55. A trimming machine having, in combination, a cutter, a gage having ashearing edge and constructed and arranged to support a marginal portionof a cover attached to and projecting beyond an edge of the breast of aheel as the heel is moved past the cutter, and means constructed andarranged to cause an operative cutting portion of the cutter to movegenerally lengthwise of the path of movement of the heel past the cutterand to cooperate with the shearing edge to trim the marginal portion ofthe cover to a predetermined length.

56. A trimming machine having, in combination, a cutter, a gage having ashearing edge and constructed and arranged to support a marginal portionof a cover attached to and projecting beyond an edge of the breast of aheel as the heel is moved past the cutter, and means constructed andarranged to cause an efiective cutting portion of the cutter to movegenerally lengthwise of the path of movement of the heel past the cutterand in a direction opposite to the direction of movement of the heelpast the cutter and to cooperate with the shearing edge to trim themarginal portion of the cover to a predetermined length.

In testimony whereof I have signed my name to this specification.

NORWOOD H. KNOWLTON.

